/Engine/Plugins/Experimental/Mutable/Source/MutableRuntime/Public/MuR/MutableMath.h
namespace mu { bool mu::point_in_face ( const FVector3f & InVtx, const FVector3f & normal, FVector3f vertices, int & out_intersected_vert, int & out_intersected_edge_v0, int & out_intersected_edge_v1, float point_in_plane_eps ) }